Built 2026-10-18 (18 October 2026)

Mardathuna Threshold Days by Year

4 fixed thresholds counted per year at Mardathuna (ASN00006032): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Mardathuna Thresholds

  • Mardathuna: days with 10 mm (0.39 in) or more of precipitation in 68 years, most in 1980 with 17.
  • Mardathuna: days with 25 mm (0.98 in) or more of precipitation in 59 years, most in 1921 with 6.
  • Mardathuna: days with 50 mm (1.97 in) or more of precipitation in 29 years, most in 1967 with 3.
  • Mardathuna: days with 100 mm (3.94 in) or more of precipitation in 4 years, most in 1947 with 1.
  • 4 fixed thresholds have at least one qualifying day at Mardathuna.
68 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Mardathuna Days per year at Mardathuna with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 17 in 1980. 051015201919: 11920: 101921: 141922: 41924: 31925: 61926: 31928: 21929: 91930: 41939: 61940: 61941: 31944: 11945: 51946: 71947: 81948: 101949: 71950: 31951: 41952: 41953: 71954: 51955: 51956: 31957: 51958: 71959: 31960: 71961: 81962: 61963: 141964: 71965: 41966: 31967: 91968: 101969: 31970: 61971: 141972: 51973: 91975: 121976: 31977: 41978: 91979: 21980: 171981: 61982: 51983: 61984: 121985: 61986: 81987: 51988: 61989: 51990: 61991: 91992: 111993: 61994: 81995: 71996: 71997: 121998: 61999: 141919192819451952195919661973198119881995
Days per year at Mardathuna with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 17 in 1980.
Days with 10 mm (0.39 in) or more of precipitation per year at Mardathuna
YearDaysDecade average
191911
1920106.4
1921146.4
192246.4
192436.4
192566.4
192636.4
192826.4
192996.4
193045
193965
194065.9
194135.9
194415.9
194555.9
194675.9
194785.9
1948105.9
194975.9
195034.6
195144.6
195244.6
195374.6
195454.6
195554.6
195634.6
195754.6
195874.6
195934.6
196077.1
196187.1
196267.1
1963147.1
196477.1
196547.1
196637.1
196797.1
1968107.1
196937.1
197067.1
1971147.1
197257.1
197397.1
1975127.1
197637.1
197747.1
197897.1
197927.1
1980177.6
198167.6
198257.6
198367.6
1984127.6
198567.6
198687.6
198757.6
198867.6
198957.6
199068.6
199198.6
1992118.6
199368.6
199488.6
199578.6
199678.6
1997128.6
199868.6
1999148.6
First to last qualifying date each year at Mardathuna For each year, a bar from the first to the last day at Mardathuna meeting 10 mm (0.39 in). 1919: 7 June 1919 to 7 June 19191920: 1 March 1920 to 5 August 19201921: 13 February 1921 to 8 August 19211922: 16 April 1922 to 6 June 19221924: 7 June 1924 to 25 July 19241925: 22 January 1925 to 29 December 19251926: 17 May 1926 to 16 July 19261928: 23 May 1928 to 14 June 19281929: 21 February 1929 to 14 August 19291930: 9 April 1930 to 5 August 19301939: 13 February 1939 to 22 December 19391940: 19 January 1940 to 21 December 19401941: 29 May 1941 to 16 July 19411944: 2 July 1944 to 2 July 19441945: 7 January 1945 to 19 June 19451946: 1 February 1946 to 7 June 19461947: 9 February 1947 to 25 October 19471948: 15 March 1948 to 28 August 19481949: 25 January 1949 to 5 August 19491950: 26 May 1950 to 31 December 19501951: 15 April 1951 to 7 June 19511952: 20 February 1952 to 9 July 19521953: 23 March 1953 to 7 July 19531954: 7 January 1954 to 30 December 19541955: 13 January 1955 to 22 July 19551956: 2 March 1956 to 30 August 19561957: 22 January 1957 to 4 June 19571958: 12 February 1958 to 12 September 19581959: 8 January 1959 to 25 July 19591960: 2 February 1960 to 22 July 19601961: 9 February 1961 to 28 August 19611962: 27 January 1962 to 2 October 19621963: 10 January 1963 to 23 December 19631964: 30 March 1964 to 21 July 19641965: 29 May 1965 to 8 August 19651966: 3 April 1966 to 14 November 19661967: 20 January 1967 to 8 August 19671968: 8 February 1968 to 24 June 19681969: 19 February 1969 to 13 June 19691970: 2 February 1970 to 14 August 19701971: 28 January 1971 to 14 August 19711972: 30 May 1972 to 25 July 19721973: 14 January 1973 to 4 August 19731975: 20 February 1975 to 4 November 19751976: 12 January 1976 to 8 August 19761977: 15 May 1977 to 29 October 19771978: 25 January 1978 to 15 August 19781979: 13 March 1979 to 14 March 19791980: 21 January 1980 to 18 July 19801981: 6 February 1981 to 13 December 19811982: 7 March 1982 to 19 November 19821983: 12 January 1983 to 23 August 19831984: 20 February 1984 to 7 October 19841985: 10 February 1985 to 4 August 19851986: 3 January 1986 to 11 September 19861987: 29 January 1987 to 29 July 19871988: 4 February 1988 to 24 July 19881989: 24 January 1989 to 12 June 19891990: 16 January 1990 to 6 August 19901991: 24 February 1991 to 24 December 19911992: 15 January 1992 to 9 August 19921993: 5 February 1993 to 16 December 19931994: 22 February 1994 to 17 December 19941995: 20 February 1995 to 13 December 19951996: 10 February 1996 to 31 July 19961997: 25 January 1997 to 9 December 19971998: 27 May 1998 to 26 October 19981999: 18 January 1999 to 28 May 199919191930194919581967197719861995JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Mardathuna meeting 10 mm (0.39 in).
First to last qualifying date each year at Mardathuna
YearFirst dateLast date
19191919-06-071919-06-07
19201920-03-011920-08-05
19211921-02-131921-08-08
19221922-04-161922-06-06
19241924-06-071924-07-25
19251925-01-221925-12-29
19261926-05-171926-07-16
19281928-05-231928-06-14
19291929-02-211929-08-14
19301930-04-091930-08-05
19391939-02-131939-12-22
19401940-01-191940-12-21
19411941-05-291941-07-16
19441944-07-021944-07-02
19451945-01-071945-06-19
19461946-02-011946-06-07
19471947-02-091947-10-25
19481948-03-151948-08-28
19491949-01-251949-08-05
19501950-05-261950-12-31
19511951-04-151951-06-07
19521952-02-201952-07-09
19531953-03-231953-07-07
19541954-01-071954-12-30
19551955-01-131955-07-22
19561956-03-021956-08-30
19571957-01-221957-06-04
19581958-02-121958-09-12
19591959-01-081959-07-25
19601960-02-021960-07-22
19611961-02-091961-08-28
19621962-01-271962-10-02
19631963-01-101963-12-23
19641964-03-301964-07-21
19651965-05-291965-08-08
19661966-04-031966-11-14
19671967-01-201967-08-08
19681968-02-081968-06-24
19691969-02-191969-06-13
19701970-02-021970-08-14
19711971-01-281971-08-14
19721972-05-301972-07-25
19731973-01-141973-08-04
19751975-02-201975-11-04
19761976-01-121976-08-08
19771977-05-151977-10-29
19781978-01-251978-08-15
19791979-03-131979-03-14
19801980-01-211980-07-18
19811981-02-061981-12-13
19821982-03-071982-11-19
19831983-01-121983-08-23
19841984-02-201984-10-07
19851985-02-101985-08-04
19861986-01-031986-09-11
19871987-01-291987-07-29
19881988-02-041988-07-24
19891989-01-241989-06-12
19901990-01-161990-08-06
19911991-02-241991-12-24
19921992-01-151992-08-09
19931993-02-051993-12-16
19941994-02-221994-12-17
19951995-02-201995-12-13
19961996-02-101996-07-31
19971997-01-251997-12-09
19981998-05-271998-10-26
19991999-01-181999-05-28

Every Fixed Threshold

Fixed thresholds at Mardathuna
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain6817198014
25 mm (0.98 in): Days with 25 mm or more rain59619216
50 mm (1.97 in): Days with 50 mm or more rain29319673
100 mm (3.94 in): Days with 100 mm or more rain4119471

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1919.

Download the Data

  • Data for Mardathuna threshold days by year: CSV or JSON. Field meanings are on the data page.

Source: NOAA National Centers for Environmental Information, Global Historical Climatology Network Daily (GHCN-Daily). Records are computed by World Extreme Weather Monitor and are not official NOAA products. (US Government open data (NOAA NCEI)) Data as of 2026-10-16 (16 October 2026). Threshold counts are computed by this site.

Data as of . Last revised (2025-12-31).